/*
 * (C) Copyright 2006-2010 Nuxeo SAS (http://nuxeo.com/) and contributors.
 *
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the GNU Lesser General Public License
 * (LGPL) version 2.1 which accompanies this distribution, and is available at
 * http://www.gnu.org/licenses/lgpl.html
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 *
 * Contributors:
 *     bstefanescu
 */
package org.nuxeo.gwt.habyt.app.client.form.validators;

import org.nuxeo.gwt.habyt.app.client.form.FormControl;

/**
 * 
 * Check that a vlue of one form control is equals to the value of another
 * control. Useful to handle email or password confirmation.
 * 
 * @author <a href="mailto:bs@nuxeo.com">Bogdan Stefanescu</a>
 * 
 */
public class SameAsValidator implements Validator {

    protected String name;

    public SameAsValidator(String name) {
        this.name = name;
    }

    public boolean validate(FormControl control) {
        Object value = control.getValue();
        FormControl same = control.getForm().getControl(name);
        if (same == null || !value.equals(same.getValue())) {
            if (control.getErrorMessage() == null) {
                control.setErrorMessage("Value doesn't match the one in "
                        + name);
            }
            return false;
        }
        return true;
    }

}
